NO855000L - UNDERGROUND SAFETY VALVE FOR HIGH TEMPERATURES. - Google Patents
UNDERGROUND SAFETY VALVE FOR HIGH TEMPERATURES.Info
- Publication number
- NO855000L NO855000L NO85855000A NO855000A NO855000L NO 855000 L NO855000 L NO 855000L NO 85855000 A NO85855000 A NO 85855000A NO 855000 A NO855000 A NO 855000A NO 855000 L NO855000 L NO 855000L
- Authority
- NO
- Norway
- Prior art keywords
- high temperatures
- safety valve
- underground safety
- underground
- valve
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/05—Flapper valves
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Lift Valve (AREA)
- Fluid-Driven Valves (AREA)
- Temperature-Responsive Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71073785A | 1985-03-11 | 1985-03-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO855000L true NO855000L (en) | 1986-09-12 |
NO173837B NO173837B (en) | 1993-11-01 |
NO173837C NO173837C (en) | 1994-02-09 |
Family
ID=24855313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO855000A NO173837C (en) | 1985-03-11 | 1985-12-12 | Underground fuse valve for high temperatures |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR2578619A1 (en) |
GB (1) | GB2172321B (en) |
NO (1) | NO173837C (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4669547A (en) * | 1985-03-11 | 1987-06-02 | Camco, Incorporated | High temperature subsurface safety valve |
US4935932A (en) * | 1988-08-15 | 1990-06-19 | Spectra-Physics, Inc. | Apparatus using induced birefringence to improve laser beam quality |
US5293943A (en) * | 1991-07-05 | 1994-03-15 | Halliburton Company | Safety valve, sealing ring and seal assembly |
GB2323872B (en) * | 1994-10-19 | 1999-02-24 | Camco Int | Subsurface safety valve |
US9435174B2 (en) | 2011-07-06 | 2016-09-06 | Shell Oil Company | System and method for injecting a treatment fluid into a wellbore and a treatment fluid injection valve |
US9771775B2 (en) | 2011-11-08 | 2017-09-26 | Shell Oil Company | Valve for a hydrocarbon well, hydrocarbon well provided with such valve and use of such valve |
US9638001B2 (en) | 2012-02-14 | 2017-05-02 | Shell Oil Company | Method for producing hydrocarbon gas from a wellbore and valve assembly |
WO2015063133A1 (en) * | 2013-10-31 | 2015-05-07 | Shell Internationale Research Maatschappij B.V. | Valve and method for injecting treatment fluid in a wellbore |
-
1985
- 1985-12-12 NO NO855000A patent/NO173837C/en not_active IP Right Cessation
-
1986
- 1986-02-07 GB GB08603066A patent/GB2172321B/en not_active Expired
- 1986-03-10 FR FR8603367A patent/FR2578619A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2172321B (en) | 1988-01-06 |
GB8603066D0 (en) | 1986-03-12 |
NO173837B (en) | 1993-11-01 |
NO173837C (en) | 1994-02-09 |
FR2578619A1 (en) | 1986-09-12 |
GB2172321A (en) | 1986-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN JUNE 2003 |